<template>
   <div class="back-top-container">
    <!-- <div style="height:auto;">
    <div v-for="(item,i) in 10" :key="i">
      测试Backtop{{ i }}
      <div v-if="i == 2" class="test">
        测试 V-IF
      </div>

       <div class="nav" v-if="i == 5" :class="navBarFixed == true ? 'navBarWrap' :''">
        吸顶导航</div>
      </div>
    </div> -->


    <!-- 表单 -->
    <div style="width:500px;margin:0 auto;padding:30px;height:500px">
      <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
        <el-form-item label="活动名称" prop="name">
          <el-input v-model="ruleForm.name"></el-input>
        </el-form-item>
        <el-form-item label="活动区域" prop="region">
          <el-select v-model="ruleForm.region" placeholder="请选择活动区域">
            <el-option label="区域一" value="shanghai"></el-option>
            <el-option label="区域二" value="beijing"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="活动时间" required>
          <el-col :span="11">
            <el-form-item prop="date1">
              <el-date-picker type="date" placeholder="选择日期" v-model="ruleForm.date1" style="width: 100%;">
              </el-date-picker>
            </el-form-item>
          </el-col>
          <el-col class="line" :span="2">-</el-col>
          <el-col :span="11">
            <el-form-item prop="date2">
              <el-time-picker placeholder="选择时间" v-model="ruleForm.date2" style="width: 100%;"></el-time-picker>
            </el-form-item>
          </el-col>
        </el-form-item>
        <el-form-item label="即时配送" prop="delivery">
          <el-switch v-model="ruleForm.delivery"></el-switch>
        </el-form-item>
        <el-form-item label="活动性质" prop="type">
          <el-checkbox-group v-model="ruleForm.type">
            <el-checkbox label="美食/餐厅线上活动" name="type"></el-checkbox>
            <el-checkbox label="地推活动" name="type"></el-checkbox>
            <el-checkbox label="线下主题活动" name="type"></el-checkbox>
            <el-checkbox label="单纯品牌曝光" name="type"></el-checkbox>
          </el-checkbox-group>
        </el-form-item>
        <!-- <el-form-item> -->
          <el-button type="primary" @click="submitForm('ruleForm')">立即创建</el-button>
          <el-button @click="resetForm('ruleForm')">重置</el-button>
        <!-- </el-form-item> -->

      </el-form>
    </div>
    <div>
      <!-- <myLoading></myLoading> -->
    </div>
  </div>
</template>
<script>
import myLoading from '../pops/loading.vue'
export default {
  inject: [
    "reload","MyLoading"
  ],
  name: 'test',
  data () {
    return {
      msg: '',
      navBarFixed: false,
      ruleForm: {
          name: '',
          region: '',
          date1: '',
          date2: '',
          delivery: false,
          type: [],
          resource: '',
          desc: ''
        },
       rules: {
          name: [
            { required: true, message: '请输入活动名称', trigger: 'blur' },
            { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
          ],
          region: [
            { required: true, message: '请选择活动区域', trigger: 'change' }
          ],
          date1: [
            { type: 'date', required: true, message: '请选择日期', trigger: 'change' }
          ],
          date2: [
            { type: 'date', required: true, message: '请选择时间', trigger: 'change' }
          ],
          type: [
            { type: 'array', required: true, message: '请至少选择一个活动性质', trigger: 'change' }
          ],
          resource: [
            { required: true, message: '请选择活动资源', trigger: 'change' }
          ],
          desc: [
            { required: true, message: '请填写活动形式', trigger: 'blur' }
          ]
        }
      
    }
  },
  methods: {


    submitForm(formName) {
        this.$refs[formName].validate((valid) => {
          if (valid) {
            alert('submit!');
          } else {
            console.log('error submit!!');
            return false;
          }
        });
      },
      resetForm(formName) {
        this.$refs[formName].resetFields();
        this.MyLoading(true);
        setTimeout(() => {
           this.MyLoading(false);
        }, 3500);
      },
     watchScroll() {
      var scrollTop =
        window.pageYOffset ||
        document.documentElement.scrollTop ||
        document.body.scrollTop;
        // console.log(scrollTop)
      //  当滚动超过 90 时，实现吸顶效果
      if (scrollTop > 200) {
        this.navBarFixed = true;
      } else {
        this.navBarFixed = false;
      }
    }

  },
  mounted () {
     window.addEventListener("scroll", this.watchScroll);
  }
}
</script>

<style scoped>
.back-top-container {
  width: 100%;
  height: auto;
  
  /* overflow-y: scroll; */
}

.nav{
    /* padding:15px; */
    width:100%;
    height: 150px;
    box-sizing: border-box;
    background:rgb(52, 54, 49);
    text-align: left;
    font-size: 33px;
    transition: .2s;
    color: #fff;
}
.navBarWrap {
  color: #fff;
    height: 150px;
    width: 100%;
    position:fixed;
    top:90px;
    font-size: 20px;
    z-index:1;
    transition: .2s;
  
  }
</style>
